What is the value of the expression x(x 2)^3 when x = 1?

Question

What is the value of the expression  x(x – 2)^{3}  when x = –1?

(A) -27
(B) -1
(C) 1
(D) 9
(E) 27

PS13704

Source: GMAT Official Practice.

kntombat · Answer

Given equation is  x(x-2)^{3} .

Value of x given is  -1 .

Substituting given value of   x  in the given equation.

-1(-1-2)^3 =>   -1(-3)^3 =>   -1*-27 => 27 .

The OA is E

Kinshook · Answer

Asked: What is the value of the expression  x(x – 2)^{3}  when x = –1?

x(x – 2)^{3} = (-1)(-3)^3 = (-1)(-27) = 27

IMO E

ramlala · Answer

(-1 – 2)^{3}  =  (– 3)^{3}  = (- 27)

x (- 27)  =  (-1) (- 27)  = 27

shashankism · Answer

x(x – 2)^{3}  
=  (-1)(-1 – 2)^{3}  
= -1 * -27 
= 27

Answer:  E

ScottTargetTestPrep · Answer

Solution:

The value of the expression x(x - 2)^3 when x = -1 is:

(-1)(-1 - 2)^3 = (-1)(-27) = 27

Answer: E

DanTheGMATMan · Answer

straightforward- just plug in -1 and let her rip"

https://www.youtube.com/watch?v=BF_EAOeW254

ManifestDreamMBA · Answer

x(x – 2)^{3}  = -1 * (-1-2)^3 = -1 * (-3)^3 = -1 * -27 = 27

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